RANKING · 2010 CENSUS · 15 SHOWN OF 15

Least educated, Arizona counties · 2010

Arizona counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01La Paz County, AZAZ16,7119.0%+4%

02Apache County, AZAZ64,44510.3%−9%

03Mohave County, AZAZ228,10212.0%+20%

04Yuma County, AZAZ224,44913.3%+12%

05Greenlee County, AZAZ9,31213.4%+10%

06Graham County, AZAZ40,15713.4%+13%

07Navajo County, AZAZ109,94614.4%+17%

08Gila County, AZAZ53,80115.0%+8%

09Santa Cruz County, AZAZ50,02017.3%+14%

10Pinal County, AZAZ539,38017.9%+50%

11Cochise County, AZAZ126,33221.4%+14%

12Yavapai County, AZAZ252,55223.7%+12%

13Maricopa County, AZAZ4,689,55829.0%+12%

14Pima County, AZAZ1,074,68529.6%+11%

15Coconino County, AZAZ144,36831.1%+4%

SHOWING 1–15 OF 15

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES